12.10.29 Fault 8 - System fault, Subcode S39 - OPTAF: Test pulse is not detected in STO channel 2
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.10.30 Fault 8 - System fault, Subcode S40 - OPTAF: ASIC trip ETR is not set, even if STO channel 1
is active
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.10.31 Fault 8 - System fault, Subcode S41 - OPTAF: STO channels are not active when the
thermistor trip is active
Cause
Single hardware problem detected in the thermistor input.
Troubleshooting
Change the OPTAF board.
12.10.32 Fault 8 - System fault, Subcode S42 - OPTAF: Test pulse low is not detected on thermistor
Cause
Single hardware problem detected in the thermistor input.
Troubleshooting
Change the OPTAF board.
12.10.33 Fault 8 - System fault, Subcode S43 - OPTAF: Test pulse high is not detected on thermistor
Cause
Single hardware problem detected in the thermistor input.
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909
140 | Danfoss A/S © 2019.11
Summary of Contents for VACON NXP FI10
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